Washer, Flat5310-01-160-9961

NSN 5310-01-160-9961 · NIIN 011609961 · Part number 2B1-991-1

Lake Shore Systems, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 34712

Government record, cited

NSN 5310-01-160-9961 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-160-9961. Manufacturer of record part number: 2B1-991-1.

Also searched as 5310-01-160-9961 · 5310011609961 · NIIN 011609961 · 01-160-9961 · FSC 5310 Nuts and Washers · CAGE 34712 · 2B1-991-1 · 2D2-208 ITEM 40

Nearby stock numbers ← 5310-01-160-9960 Washer, Flat · 5310-01-160-9962 Washer, Flat →

5310-01-160-9961 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Lake Shore Systems, Inc.

Identification

NSN: 5310-01-160-9961
NIIN: 011609961
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 2B1-991-1
Manufacturer: Lake Shore Systems, Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-160-9961, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Lake Shore Systems, Inc. (CAGE 34712)

Technical Specifications

Parameter	Value
NSN	5310-01-160-9961
Primary Part Number	2B1-991-1
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Lake Shore Systems, 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)

Cross-Reference Index

Part Number	Manufacturer
2D2-208 ITEM 40	Lake Shore Systems, Inc. (USA)
2B1-991-1 PRIMARY	Lake Shore Systems, 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 5310-01-160-9961?

NSN 5310-01-160-9961 is a Washer,flat, manufactured by Lake Shore Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-160-9961?

NSN 5310-01-160-9961 has 2 manufacturer part numbers on file: 2D2-208 ITEM 40 (Lake Shore Systems, Inc.), 2B1-991-1 (Lake Shore Systems, Inc.).

Is NSN 5310-01-160-9961 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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