Washer, Lock5310-01-672-4198

NSN 5310-01-672-4198 · NIIN 016724198 · Part number HLB-4S

Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 6CCX4

Government record, cited

NSN 5310-01-672-4198 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-672-4198. Manufacturer of record part number: HLB-4S.

Also searched as 5310-01-672-4198 · 5310016724198 · NIIN 016724198 · 01-672-4198 · FSC 5310 Nuts and Washers · CAGE 6CCX4 · HLB-4S

Nearby stock numbers ← 5310-01-672-4196 Washer, Lock · 5310-01-672-4297 Washer, Flat →

5310-01-672-4198 — Nuts and Washers

Features

Washer,lock — FSC 5310
Material Document and Classification: PRODUCT SHEET MIL STD 1ST MATERIAL RESPONSE OVERALL
Material: STEEL CORROSION RESISTING OVERALL
1 manufacturer part number on file
Manufacturer of record: Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a.

Identification

NSN: 5310-01-672-4198
NIIN: 016724198
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: HLB-4S
Manufacturer: Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a.

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-672-4198, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a.. Government technical data includes 2 specifications, 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	5310-01-672-4198
Primary Part Number	HLB-4S
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a.
Status	ACTIVE
Material Document and Classification	PRODUCT SHEET MIL STD 1ST MATERIAL RESPONSE OVERALL
Material	STEEL CORROSION RESISTING OVERALL

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
HLB-4S PRIMARY	Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a. (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 5310-01-672-4198?

NSN 5310-01-672-4198 is a Washer,lock, manufactured by Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-672-4198?

NSN 5310-01-672-4198 has 1 manufacturer part number on file: HLB-4S (Heico Fasteners Inc Dba Heico Fasteners Inc Div Heico Fasteners N.a.).

What are the specifications of HLB-4S?

Key specifications for HLB-4S: Material Document and Classification: PRODUCT SHEET MIL STD 1ST MATERIAL RESPONSE OVERALL; Special Features: UNC:8,INTERNAL DIA:4,4,BOX QTY 200; Part Name Assigned by Controlling Agency: WEDGE LOCK WASHER; Material: STEEL CORROSION RESISTING OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-672-4198 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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