PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-45Packing

Swagelok Co · NSN 5330-01-004-0275 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-004-0275 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-004-0275. Primary manufacturer part number: 21-45.
Features
  • Packing — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: Swagelok Co
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Packing, cataloged under National Stock Number 5330-01-004-0275, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Swagelok Co. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePacking
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersSwagelok Co (CAGE 3T9T9); Whitey Co (CAGE 12623)
Technical Specifications
ParameterValue
NSN5330-01-004-0275
Primary Part Number21-45
Item NamePacking
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-079-72370400-0009 INTERCHANGEABLE
Grommet,nonmetallic
Keysight Technologies Inc
4820-00-087-8451 INTERCHANGEABLE
Valve,check
9540-00-148-4299 INTERCHANGEABLE
Angle,structural
2920-00-361-82852-145 INTERCHANGEABLE
Spring
Precision Aerospace Corporation Dba Precision Engine Control
4810-00-541-6052214-5 INTERCHANGEABLE
Valve,gate
Flowserve Corporation Div Flowserve Us Inc
5365-00-641-164440820 INTERCHANGEABLE
Spacer,ring
Napco International Llc Dba Napco International Inc
1660-00-784-58402145 INTERCHANGEABLE
Valve
Aerospace Lighting Corporation
5330-00-806-24242145 INTERCHANGEABLE
Gasket
Champion Laboratories, Inc.
4820-00-900-1433 INTERCHANGEABLE
Valve,check
5365-00-981-77822145 INTERCHANGEABLE
Ring,spacer
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
21-45 PRIMARY Swagelok Co (USA)
21-45 Whitey Co (USA)
Related Parts
5325-00-079-7237INTERCHANGEABLE
GROMMET,NONMETALLIC
0400-0009
4820-00-087-8451INTERCHANGEABLE
VALVE,CHECK
9540-00-148-4299INTERCHANGEABLE
ANGLE,STRUCTURAL
2920-00-361-8285INTERCHANGEABLE
SPRING
2-145
4810-00-541-6052INTERCHANGEABLE
VALVE,GATE
214-5
5365-00-641-1644INTERCHANGEABLE
SPACER,RING
40820
1660-00-784-5840INTERCHANGEABLE
VALVE
2145
5330-00-806-2424INTERCHANGEABLE
GASKET
2145
4820-00-900-1433INTERCHANGEABLE
VALVE,CHECK
5365-00-981-7782INTERCHANGEABLE
RING,SPACER
2145
6625-01-079-5749INTERCHANGEABLE
TEST SET,RADAR
58139-43001
6510-01-156-2336INTERCHANGEABLE
PAD ABDOMINAL 5 BY
651000C980324#

Frequently Asked Questions

What is NSN 5330-01-004-0275?

NSN 5330-01-004-0275 is a Packing, manufactured by Swagelok Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-004-0275?

NSN 5330-01-004-0275 has 2 cross-referenced part numbers: 21-45 (Swagelok Co), 21-45 (Whitey Co).

What NSN replaces 5330-01-004-0275?

There are 12 known substitutes for 5330-01-004-0275: 5325-00-079-7237, 4820-00-087-8451, 9540-00-148-4299 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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