NSN 5340-01-504-2023 · NIIN 015042023 · Part number 145SK255-5
The Boeing Company · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 77272
Government record, cited
NSN 5340-01-504-2023 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-504-2023. Manufacturer of record part number: 145SK255-5.
Material Document and Classification: SAE-AMS-QQ-A-250 ASSN STD ALL MATERIAL RESPONSES OVERALL
Material: ALUMINUM ALLOY 2024 OVERALL
1 manufacturer part number on file
Manufacturer of record: The Boeing Company
Identification
NSN: 5340-01-504-2023
NIIN: 015042023
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 145SK255-5
Manufacturer: The Boeing Company
General Description
The Clip,spring Tension, cataloged under National Stock Number 5340-01-504-2023, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-01-504-2023
Primary Part Number
145SK255-5
Item Name
Clip,spring Tension
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
The Boeing Company
Status
ACTIVE
Mounting Method
UNTHREADED HOLE(S)
Material Document and Classification
SAE-AMS-QQ-A-250 ASSN STD ALL MATERIAL RESPONSES OVERALL
Material
ALUMINUM ALLOY 2024 OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-504-2031145SK255-8POSSIBLE MATCH
CLIP,SPRING TENSION
Possible match (shared part number)The Boeing Company
5340-01-504-2039145SK255-7POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)The Boeing Company
5340-01-504-4200145SK255-10POSSIBLE MATCH
CLIP,SPRING TENSION
Possible match (shared part number)The Boeing Company
5340-01-504-6431145SK255-6POSSIBLE MATCH
CLIP,SPRING TENSION
Possible match (shared part number)The Boeing Company
5340-01-504-6432145SK255-11POSSIBLE MATCH
CLIP,SPRING TENSION
Possible match (shared part number)The Boeing Company
NSN 5340-01-504-2023 is a Clip,spring Tension, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-504-2023?
NSN 5340-01-504-2023 has 1 manufacturer part number on file: 145SK255-5 (The Boeing Company).
What NSN replaces 5340-01-504-2023?
5 possible matches (shared part number, not a government interchangeability claim): 5340-01-504-2031, 5340-01-504-2039, 5340-01-504-4200. Verify interchangeability with system specifications before substitution.
What are the specifications of 145SK255-5?
Key specifications for 145SK255-5: Mounting Method: UNTHREADED HOLE(S); Material Document and Classification: SAE-AMS-QQ-A-250 ASSN STD ALL MATERIAL RESPONSES OVERALL; Part Name Assigned by Controlling Agency: CLIP; End Item Identification: 1520-01-088-3669. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-504-2023 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.