Clamp, Block, Section5340-01-491-2638

NSN 5340-01-491-2638 · NIIN 014912638 · Part number J-23630-1

Lord Corporation Dba Lord Corp · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 76005

Government record, cited

NSN 5340-01-491-2638 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-491-2638. Manufacturer of record part number: J-23630-1.

Also searched as 5340-01-491-2638 · 5340014912638 · NIIN 014912638 · 01-491-2638 · FSC 5340 Hardware, Commercial · CAGE 76005 · J-23630-1 · 68B450071-203

Nearby stock numbers ← 5340-01-491-2636 Ring, Locking, Access Door · 5340-01-491-2662 Cover Strip →

Features

Clamp,block,section — FSC 5340
2 manufacturer part numbers on file
Manufacturer of record: Lord Corporation Dba Lord Corp

Identification

NSN: 5340-01-491-2638
NIIN: 014912638
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: J-23630-1
Manufacturer: Lord Corporation Dba Lord Corp

General Description

The Clamp,block,section, cataloged under National Stock Number 5340-01-491-2638, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lord Corporation Dba Lord Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.

Catalog Facts

Item Name	Clamp,block,section
FSC / FSG	5340 — Hardware, Commercial (FSG 53)
Manufacturers	Lord Corporation Dba Lord Corp (CAGE 76005); The Boeing Company Div Defense (CAGE 76301)

Technical Specifications

Parameter	Value
NSN	5340-01-491-2638
Primary Part Number	J-23630-1
Item Name	Clamp,block,section
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Lord Corporation Dba Lord Corp
Status	ACTIVE

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 Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5340-01-496-5447J-23630-1 POSSIBLE MATCH

CLAMP,BLOCK

Possible match (shared part number)Lord Corporation Dba Lord Corp

Cross-Reference Index

Part Number	Manufacturer
J-23630-1 PRIMARY	Lord Corporation Dba Lord Corp (USA)
68B450071-203 PRIMARY	The Boeing Company Div Defense (USA)

Related Parts

5340-01-496-5447POSSIBLE MATCH

CLAMP,BLOCK

J-23630-1

Frequently Asked Questions

What is NSN 5340-01-491-2638?

NSN 5340-01-491-2638 is a Clamp,block,section, manufactured by Lord Corporation Dba Lord Corp, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-491-2638?

NSN 5340-01-491-2638 has 2 manufacturer part numbers on file: J-23630-1 (Lord Corporation Dba Lord Corp), 68B450071-203 (The Boeing Company Div Defense).

What NSN replaces 5340-01-491-2638?

1 possible match (shared part number, not a government interchangeability claim): 5340-01-496-5447. Verify interchangeability with system specifications before substitution.

Is NSN 5340-01-491-2638 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.

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