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Hexagon Head Cap Screw

NSN: 5305-01-631-5623 | Model: 91257A551

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt, machine; bolt, externally relieved body; bolt, internal wrenching; and screw, cap, socket head.

NSN Properties and Flags
NATO Stock Number
5305-01-631-5623
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.750 inches and 1.000 inches
Fastener Length
2.250 inches
Head Style
Hexagon
Head Height
0.172 inches
Width Between Flats
0.438 inches
End Application
5855-01-616-2559
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Special Features
Oem is parker hannifin
Material
Steel
Surface Treatment
Zinc
Thread Series Designator
Unc

Parts List for Infrared Viewer  

Other components in the assembly of NSN 5855-01-616-2559
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5EK16T0051 2015-10-15 PHPHC 2942 EA

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 5305-01-631-5623 Datasheet

Supply Class (FSC):
Screws
Cross Reference:
  • 91257A551
Cage Codes:
  • Carr Supply Company Mcmaster (CAGE 39428)
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.

ADPE

- Represents items with no adp components

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:

    096640 - Screws, iron or steel

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ACC:

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

  • LTL:

    Q - 70.0

  • ADC:

    Z - Shipment is not a consolidation, but does exceed 84 inches in one or more dimensions.

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    M
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    T2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1.42 to $2.36..
Does NSN 5305-01-631-5623 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 Army, and Department Of The Air Force
What is the NIIN of NSN 5305-01-631-5623?
016315623 or 01-631-5623
Does NSN 5305-01-631-5623 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-01-631-5623?
Solicitation SPE5EK16T0051 for qty 2942 on 10/05/2015
When was this national stock number assigned to the federal catalog?
Sep 18, 2014