Washer, Flat5310-01-700-1778

NSN 5310-01-700-1778 · NIIN 017001778 · Part number 571-171349 PART 22

Imeco Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0V369

Government record, cited

NSN 5310-01-700-1778 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-700-1778. Manufacturer of record part number: 571-171349 PART 22.

Also searched as 5310-01-700-1778 · 5310017001778 · NIIN 017001778 · 01-700-1778 · FSC 5310 Nuts and Washers · CAGE 0V369 · 571-171349 PART 22

Nearby stock numbers ← 5310-01-700-1751 Nut, Self-Locking, Barrel · 5310-01-700-1805 Nut, Self-Locking, Plate →

5310-01-700-1778 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 1.125 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Imeco Inc

Identification

NSN: 5310-01-700-1778
NIIN: 017001778
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 571-171349 PART 22
Manufacturer: Imeco Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-700-1778, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Imeco Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	5310-01-700-1778
Primary Part Number	571-171349 PART 22
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Imeco Inc
Status	ACTIVE
Overall Diameter	1.125 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
571-171349 PART 22 PRIMARY	Imeco 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 5310-01-700-1778?

NSN 5310-01-700-1778 is a Washer,flat, manufactured by Imeco Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-700-1778?

NSN 5310-01-700-1778 has 1 manufacturer part number on file: 571-171349 PART 22 (Imeco Inc).

What are the specifications of 571-171349 PART 22?

Key specifications for 571-171349 PART 22: Overall Diameter: 1.125 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 5310-01-700-1778 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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