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NSN A3556

Flat Washer

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.260 inches nominal center hole length, rectangular center hole shape style, 0.125 inches nominal center hole width, rectangular cross-sectional shape style, as fabricated heat treatment.

NSN 5310-00-267-3633 Datasheet

(NSN) National Stock Number
5310-00-267-3633
(FSG) Federal Supply Group
53 - Hardware and Abrasives
(FSC) Federal Supply Classification
5310 - Nuts and Washers
(NIIN) National Item Identification Number
00-267-3633
Requires Demilitarization
Yes
(INC) Item Name Code
13393
Date
Sun, Jul 15, 1973
Schedule B Code
7318220000
Center Hole Length
0.260 inches nominal
Center Hole Shape Style
rectangular
Center Hole Width
0.125 inches nominal
Cross-Sectional Shape Style
rectangular
Heat Treatment
as fabricated
Peripheral Shape Style
round
Material
steel overall
Overall Diameter
0.562 inches nominal
Surface Treatment
unable to decode
Thickness
0.050 inches nominal

Identification

Demilitarization Code
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0013393

Cross Reference

CAGE Codes

72914
Grimes Aerospace Company
U.s./canadian manufacturers

Freight Information

Air Commodity
BZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Less than Carload Rating
U - 50.0
National Motor Freight Class Rating
U - 50.0
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
55210
Water Commodity
713 - Metal hardware
National Motor Freight Classification Item Number
194160

Schedule B & Trade

Schedule B
7318-22-0000
Description
washers other than lock washers, iron or steel
End Use
12300 - Finished metal shapes
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
69422
(NAICS) North American Industrial Classification System
332722

Questions & Answers

  1. What is the FSCG of the NSN 5310-00-267-3633?

    The FSCG of the NSN 5310-00-267-3633 is 5310

  2. Does the NSN 5310-00-267-3633 have a Schedule B code assigned?

    Yes, the Schedule B code is 7318220000

  3. Does NSN 5310-00-267-3633 require demilitarization?

    Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

  4. Does NSN 5310-00-267-3633 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 5310-00-267-3633 contain hazardous materials?

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

  6. When the NSN 5310-00-267-3633 was assigned to the Federal Catalog?

    It was assigned 53 years ago, on Sun, Jul 15, 1973

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