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Close Tolerance Screw

NSN: 5305-01-173-3602 | Model: ST3M557-3-6

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the shank diameter, but not below the major diameter for applicable class of fit, as shown in the screw thread standards, federal standard h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

NSN Properties and Flags
NATO Stock Number
5305-01-173-3602
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.380 inches and 0.447 inches
Fastener Length
Between 0.765 inches and 0.812 inches
Head Style
Oval countersunk
Head Diameter
Between 0.2966 inches and 0.3016 inches
Grip Diameter
Between 0.1890 inches and 0.1895 inches
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 0.365 inches and 0.385 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Material
Stainless steel
Material Specification
23-118 fscm 76301 mfr ref single material response
Surface Treatment
Passivate
Thread Series Designator
Unjf
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E318T177W 2018-07-19 PAA64 3000 EA
SPE5E318T156P 2018-07-05 PAA64 342 EA
SPE5E318T9096 2018-04-09 PAA64 11975 EA
SPE5EK18T5525 2018-03-05 PHPHC 11797 EA
SPE5E317T5851 2017-07-20 PAA64 11797 EA
SPE5E217T8719 2017-04-20 PHPHB 779 EA
SPE5E217T8135 2017-04-06 PHPHB 1771 EA

Inventory Check

The last inventory check on this NSN was done on 06/12/2024. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 1
  • New: 102

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 5305-01-173-3602 Datasheet

Supply Class (FSC):
Screws
Cross Reference:
  • ST3M557-3-6
  • HT4027-3-6
  • ST3M557-3-6
  • HT4027-3-6
  • ST3M557-3-6
  • ST3M557-3-6
  • HT4027-3-6
  • ST3M557-3-6
  • HT4027-3-6
  • ST3M557-3-6
  • ST3M557-3-6
  • 11923-3-6
  • WC4027-3-6
  • HT4027-3-6
  • HT4027-3-6
  • HT4027-3-6
  • HT4027-3-6
  • HT4027-3-6
  • HT4027-3-6
  • ST3M557-3-6
  • ST3M557-3-6
  • ST3M557-3-6
  • ST3M557-3-6
  • ST3M557-3-6
Cage Codes:
  • Boeing Company, The (CAGE 76301)
  • Sps Technologies, Llc (CAGE 06725)
  • Todeco, Inc. Valley (CAGE 06710)
  • Arconic Global Fasteners & Rings, (CAGE 06950)
  • Saturn Fasteners Inc (CAGE 0K6Z0)
  • Heartland Precision Fasteners, Inc. (CAGE 0ZC92)
  • Huck International, Inc. (CAGE 17446)
  • Houston Precision Fasteners I, Lp (CAGE 1VSL7)
  • Sps Technologies, Llc (CAGE 27624)
  • Camcar Llc (CAGE 4WL75)
  • Fastener Innovation Technology, Inc. (CAGE 58998)
  • Reid Products Inc. (CAGE 59563)
  • West Coast Aerospace Inc (CAGE 60516)
  • Sps Technologies, Llc (CAGE 56878)
  • Alcoa Global Fasteners, Inc. (CAGE 92215)
  • Shear Corporation Hi (CAGE 73197)
  • Sps Technologies, Llc (CAGE 80539)
  • Lisi Aerospace Canada Corp (CAGE L4528)
  • Huck Intl Inc (CAGE 97928)
  • Sps Technologies Ltd Tj Brooks (CAGE K5673)
  • Twist Tite Mfg, Inc (CAGE 007R1)
Schedule B & Trade:
  • Schedule B: 7318152000 (NAICS 332722)

    Bolts and bolts and their nuts or washers exported in the same shipment

  • SITC: 69421

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

  • End Use: 12110

    Iron and steel products, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    093486 - Bolts, nuts or screws, noi (sub 3)

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    100
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9---n
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $47.14 to $78.57..
Does NSN 5305-01-173-3602 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, Spain, Singapore, Republic Of Korea, and Italy
What is the NIIN of NSN 5305-01-173-3602?
011733602 or 01-173-3602
Does NSN 5305-01-173-3602 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-01-173-3602?
Solicitation SPE5E318T177W for qty 3000 on 07/12/2018
When was this national stock number assigned to the federal catalog?
Mar 05, 1984