PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S677Clamp,block

Umpco, Inc. Dba Umpco Inc · NSN 5340-01-372-8119 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-372-8119 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-372-8119. Primary manufacturer part number: S677.
Features
  • Clamp,block — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Umpco, Inc. Dba Umpco Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Clamp,block, cataloged under National Stock Number 5340-01-372-8119, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Umpco, Inc. Dba Umpco Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-372-8119
Primary Part NumberS677
Item NameClamp,block
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerUmpco, Inc. Dba Umpco Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
6105-01-367-9679P36G3311 SUCCESSOR
Motor,alternating Current
Reliance Electric Company Dba Reliance & Dodge Brands
4810-00-879-9009 INTERCHANGEABLE
Arm,latch
Cross-Reference Index
Part NumberManufacturer
5340PL0804469 Jednolity Indeks Materialowy - Uniform Material Index (POL)
S677 PRIMARY Umpco, Inc. Dba Umpco Inc (USA)
Related Parts
6105-01-367-9679SUCCESSOR
MOTOR,ALTERNATING CURRENT
P36G3311
4810-00-879-9009INTERCHANGEABLE
ARM,LATCH

Frequently Asked Questions

What is NSN 5340-01-372-8119?

NSN 5340-01-372-8119 is a Clamp,block, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-372-8119?

NSN 5340-01-372-8119 has 2 cross-referenced part numbers: 5340PL0804469 (Jednolity Indeks Materialowy - Uniform Material Index), S677 (Umpco, Inc. Dba Umpco Inc).

What NSN replaces 5340-01-372-8119?

There are 2 known substitutes for 5340-01-372-8119: 6105-01-367-9679, 4810-00-879-9009. Verify interchangeability with system specifications before substitution.

What are the specifications of S677?

Key specifications for S677: End Item Identification: F-16 A/B/C/D ACFT A. 1 total characteristics are documented in the Federal Logistics Information System.

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