Square Plain Nut

NSN: 5310-00-012-5550 | Model: FFB571TYPEB1

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the dimension will be used to determine compliance.)

NSN Properties and Flags

NATO Stock Number

5310-00-012-5550

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Square

Nut Height

Between 0.525 inches and 0.569 inches

Width Across Flats

Between 0.969 inches and 1.0000 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.625 inches

Bearing Surface Type

Washer faced

Material

Steel

Surface Treatment

Cadmium or zinc

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.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5310-00-012-5550 Datasheet

Supply Class (FSC):

Nuts And Washers

Cross Reference:

FFB571TYPEB1
125550
125550

Cage Codes:

Federal Specifications (CAGE 81348)
Daimler Chrysler (CAGE 12204)
Army Weapons Command (CAGE 21450)

Replacements:

5310-00-012-5550 replaces 5310-00-272-5691

Schedule B & Trade:

Schedule B: 7318160000 (NAICS 332722)

Nuts of iron or steel
SITC: 69421

Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel
End Use: 12300

Finished metal shapes

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

U - Precious metal content is unknown

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:

573 - Bolts or nuts (iron or steel),(less than 35 feet)
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
J
Quantity per pack
1
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 $20.17 to $33.62..
Does NSN 5310-00-012-5550 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, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, and Greece
What is the NIIN of NSN 5310-00-012-5550?
000125550 or 00-012-5550
Does NSN 5310-00-012-5550 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-012-5550?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963