O-Ring Set5331-01-645-1654

NSN 5331-01-645-1654 · NIIN 016451654 · Part number 6L-HB-K28

Swagelok Co · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 3T9T9

Government record, cited

NSN 5331-01-645-1654 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-645-1654. Manufacturer of record part number: 6L-HB-K28.

Also searched as 5331-01-645-1654 · 5331016451654 · NIIN 016451654 · 01-645-1654 · FSC 5331 O-ring · CAGE 3T9T9 · 6L-HB-K28

Nearby stock numbers ← 5331-01-645-1537 O-Ring · 5331-01-645-1673 O-Ring →

5331-01-645-1654 — O-ring

Features

O-Ring Set — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Swagelok Co

Identification

NSN: 5331-01-645-1654
NIIN: 016451654
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 6L-HB-K28
Manufacturer: Swagelok Co

General Description

The O-Ring Set, cataloged under National Stock Number 5331-01-645-1654, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Swagelok Co. 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	5331-01-645-1654
Primary Part Number	6L-HB-K28
Item Name	O-Ring Set
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Swagelok Co
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
6L-HB-K28 PRIMARY	Swagelok Co (USA)

No interchangeability data on file.

Other items in FSC 5331 — O-ring

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5331-00-001-1971

O-RING

5331-00-001-1979

O-RING

5331-00-001-3904

O-RING

5331-00-001-3905

O-RING

5331-00-001-3906

O-RING

5331-00-001-3908

O-RING

5331-00-001-3923

O-RING

5331-00-001-3924

O-RING

Frequently Asked Questions

What is NSN 5331-01-645-1654?

NSN 5331-01-645-1654 is a O-Ring Set, manufactured by Swagelok Co, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-645-1654?

NSN 5331-01-645-1654 has 1 manufacturer part number on file: 6L-HB-K28 (Swagelok Co).

What are the specifications of 6L-HB-K28?

Key specifications for 6L-HB-K28: Part Name Assigned by Controlling Agency: GASKET KIT FOR HB SERIES HIGH-PRESSURE BELLOWS- SEALED VALVES. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-645-1654 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.

PartsTable Design LLC · partstable.com