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NSN 5310-01-648-1312Government record, cited

Washer, Flat5310-01-648-1312

NSN 5310-01-648-1312 · NIIN 016481312 · Part number 598836-21-0620

John Crane, Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 71724

Government record, cited

NSN 5310-01-648-1312 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-648-1312. Manufacturer of record part number: 598836-21-0620.

Also searched as 5310-01-648-1312 · 5310016481312 · NIIN 016481312 · 01-648-1312 · FSC 5310 Nuts and Washers · CAGE 71724 · 598836-21-0620 · PL-999F0934FIND16 · NSP-1000044-1ITEM24

Nearby stock numbers ← 5310-01-648-1311 Washer, Lock · 5310-01-648-1313 Nut, Plain, Hexagon →

5310-01-648-1312 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: John Crane, Inc

Identification

NSN: 5310-01-648-1312
NIIN: 016481312
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 598836-21-0620
Manufacturer: John Crane, Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-648-1312, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	John Crane, Inc (CAGE 71724)

Technical Specifications

Parameter	Value
NSN	5310-01-648-1312
Primary Part Number	598836-21-0620
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	John Crane, Inc
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

Cross-Reference Index

Part Number	Manufacturer
598836-21-0620 PRIMARY	John Crane, Inc (USA)

Reference documents

Reference	Meaning
PL-999F0934FIND16	C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps
NSP-1000044-1ITEM24	C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc

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 5310-01-648-1312?

NSN 5310-01-648-1312 is a Washer,flat, manufactured by John Crane, Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-648-1312?

NSN 5310-01-648-1312 has 1 manufacturer part number on file: 598836-21-0620 (John Crane, Inc).

Is NSN 5310-01-648-1312 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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