Washer, Flat5310-01-657-0525

NSN 5310-01-657-0525 · NIIN 016570525 · Part number Z9271

Accurate Manufactured Products Group Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 4TU30

Government record, cited

NSN 5310-01-657-0525 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-657-0525. Manufacturer of record part number: Z9271.

Also searched as 5310-01-657-0525 · 5310016570525 · NIIN 016570525 · 01-657-0525 · FSC 5310 Nuts and Washers · CAGE 4TU30 · Z9271

Nearby stock numbers ← 5310-01-657-0460 Nut, Self-Locking, Double Hexagon · 5310-01-657-0592 Washer, Flat →

5310-01-657-0525 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Accurate Manufactured Products Group Inc

Identification

NSN: 5310-01-657-0525
NIIN: 016570525
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: Z9271
Manufacturer: Accurate Manufactured Products Group Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-657-0525, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Manufactured Products Group Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-657-0525
Primary Part Number	Z9271
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Accurate Manufactured Products Group 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
Z9271 PRIMARY	Accurate Manufactured Products Group Inc (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 5310-01-657-0525?

NSN 5310-01-657-0525 is a Washer,flat, manufactured by Accurate Manufactured Products Group Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-657-0525?

NSN 5310-01-657-0525 has 1 manufacturer part number on file: Z9271 (Accurate Manufactured Products Group Inc).

What are the specifications of Z9271?

Key specifications for Z9271: Part Name Assigned by Controlling Agency: FLAT WASHER 5/16. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-657-0525 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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