Washer, Seal5310-01-412-1238

NSN 5310-01-412-1238 · NIIN 014121238 · Part number 438-6404465-210

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

Government record, cited

NSN 5310-01-412-1238 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-412-1238. Manufacturer of record part number: 438-6404465-210.

Also searched as 5310-01-412-1238 · 5310014121238 · NIIN 014121238 · 01-412-1238 · FSC 5310 Nuts and Washers · CAGE 53711 · 438-6404465-210 · N100055S

Nearby stock numbers ← 5310-01-412-0925 Washer, Lock · 5310-01-412-1242 →

5310-01-412-1238 — Nuts and Washers

Features

Washer,seal — FSC 5310
Outside Diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
Material: RUBBER CHLOROPRENE CLASS CR SEALING ELEMENT
Material: STEEL CORROSION RESISTING BODY
Hole Diameter: 0.155 INCHES NOMINAL0.155 INCHES NOMINAL IN
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 5310-01-412-1238
NIIN: 014121238
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 438-6404465-210
Manufacturer: Naval Sea Systems Command

General Description

The Washer,seal, cataloged under National Stock Number 5310-01-412-1238, 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. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-412-1238
Primary Part Number	438-6404465-210
Item Name	Washer,seal
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Outside Diameter	1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
Material	RUBBER CHLOROPRENE CLASS CR SEALING ELEMENT
Material	STEEL CORROSION RESISTING BODY
Hole Diameter	0.155 INCHES NOMINAL0.155 INCHES NOMINAL IN

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

Cross-Reference Index

Part Number	Manufacturer
N100055S	Aztec Manufacturing, Inc (USA)
438-6404465-210 PRIMARY	Naval Sea Systems Command (USA)

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-412-1238?

NSN 5310-01-412-1238 is a Washer,seal, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-412-1238?

NSN 5310-01-412-1238 has 2 manufacturer part numbers on file: N100055S (Aztec Manufacturing, Inc), 438-6404465-210 (Naval Sea Systems Command).

What are the specifications of 438-6404465-210?

Key specifications for 438-6404465-210: Outside Diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR SEALING ELEMENT; Material: STEEL CORROSION RESISTING BODY; Hole Diameter: 0.155 INCHES NOMINAL0.155 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-412-1238 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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