PartsTable TECHNICAL DATA SHEET

NSN 5310-01-641-2203Government record, cited

Washer, Flat5310-01-641-2203

NSN 5310-01-641-2203 · NIIN 016412203 · Part number 167-8200542 ITEM 65

Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711

Government record, cited

NSN 5310-01-641-2203 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-641-2203. Manufacturer of record part number: 167-8200542 ITEM 65.

Also searched as 5310-01-641-2203 · 5310016412203 · NIIN 016412203 · 01-641-2203 · FSC 5310 Nuts and Washers · CAGE 53711 · 167-8200542 ITEM 65 · 167-8200541 ITEM 67 · 167-8200542

Nearby stock numbers ← 5310-01-641-2186 Washer, Recessed · 5310-01-641-2316 Washer, Recessed →

5310-01-641-2203 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 5310-01-641-2203
NIIN: 016412203
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 167-8200542 ITEM 65
Manufacturer: Naval Sea Systems Command

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-641-2203, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Naval Sea Systems Command (CAGE 53711)

Technical Specifications

Parameter	Value
NSN	5310-01-641-2203
Primary Part Number	167-8200542 ITEM 65
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Naval Sea Systems Command
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 12

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5315-01-641-5019167-8200542 PC 26 POSSIBLE MATCH

PIN,STRAIGHT,HEADLESS

Possible match (shared part number)Naval Sea Systems Command

5315-01-641-8561167-8200542 PC 40 POSSIBLE MATCH

PIN,GROOVED,HEADED

Possible match (shared part number)Naval Sea Systems Command

5306-01-641-8705167-8200542 PC 51 POSSIBLE MATCH

BOLT,MACHINE

Possible match (shared part number)Naval Sea Systems Command

3040-01-641-8978167-8204845 PC 26 POSSIBLE MATCH

SHAFT ASSEMBLY,STRAIGHT

Possible match (shared part number)Naval Sea Systems Command

5340-01-641-8979167-8204845 PC 25 POSSIBLE MATCH

RETAINER,HELICAL COMPRESSION SPR

Possible match (shared part number)Naval Sea Systems Command

5340-01-642-0791167-8200542 PC 30 POSSIBLE MATCH

PAD,CUSHIONING

Possible match (shared part number)Naval Sea Systems Command

2040-01-642-2625167-8200542 ASSY 85 POSSIBLE MATCH

DOG,DOOR,MARINE

Possible match (shared part number)Naval Sea Systems Command

5305-01-656-8836167-8200542 ITEM 71 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)Naval Sea Systems Command

5310-01-686-9202167-8200542 ITEM NO 104 POSSIBLE MATCH

NUT,PLAIN,HEXAGON

Possible match (shared part number)Naval Sea Systems Command

5310-01-686-9283167-8200542 ITEM NO 105 POSSIBLE MATCH

WASHER,FLAT

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

Part Number	Manufacturer
167-8200541 ITEM 67	Naval Sea Systems Command (USA)
167-8200542 ITEM 65 PRIMARY	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
167-8200542	D/9 Drawing number reference only Naval Sea Systems Command

Related Parts

5315-01-641-5019POSSIBLE MATCH

PIN,STRAIGHT,HEADLESS

167-8200542 PC 26

5315-01-641-8561POSSIBLE MATCH

PIN,GROOVED,HEADED

167-8200542 PC 40

5306-01-641-8705POSSIBLE MATCH

BOLT,MACHINE

167-8200542 PC 51

3040-01-641-8978POSSIBLE MATCH

SHAFT ASSEMBLY,STRAIGHT

167-8204845 PC 26

5340-01-641-8979POSSIBLE MATCH

RETAINER,HELICAL COMPRESSION SPR

167-8204845 PC 25

5340-01-642-0791POSSIBLE MATCH

PAD,CUSHIONING

167-8200542 PC 30

2040-01-642-2625POSSIBLE MATCH

DOG,DOOR,MARINE

167-8200542 ASSY 85

5305-01-656-8836POSSIBLE MATCH

SCREW,MACHINE

167-8200542 ITEM 71

5310-01-686-9202POSSIBLE MATCH

NUT,PLAIN,HEXAGON

167-8200542 ITEM NO 104

5310-01-686-9283POSSIBLE MATCH

WASHER,FLAT

167-8200542 ITEM NO 105

5315-01-686-9404POSSIBLE MATCH

PIN,STRAIGHT,HEADED

167-8200542 ITEM NO 42

5340-01-686-9419POSSIBLE MATCH

CATCH,FRICTION

167-8200542 ITEM NO 43

Frequently Asked Questions

What is NSN 5310-01-641-2203?

NSN 5310-01-641-2203 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-641-2203?

NSN 5310-01-641-2203 has 2 manufacturer part numbers on file: 167-8200541 ITEM 67 (Naval Sea Systems Command), 167-8200542 ITEM 65 (Naval Sea Systems Command).

What NSN replaces 5310-01-641-2203?

12 possible matches (shared part number, not a government interchangeability claim): 5315-01-641-5019, 5315-01-641-8561, 5306-01-641-8705. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-641-2203 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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