PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1391Tensiometer

Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc. · NSN 6635-01-071-1682 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-071-1682 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-071-1682. Primary manufacturer part number: 1391.
Features
  • Tensiometer — FSC 6635
  • Scale Quantity: 1
  • 1 verified cross-reference
  • Primary manufacturer: Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tensiometer, cataloged under National Stock Number 6635-01-071-1682, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-01-071-1682
Primary Part Number1391
Item NameTensiometer
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerCrsi Inc Delaware Div General Dynamics Satcom Technologies Inc.
StatusACTIVE
Scale Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-236-14841391 INTERCHANGEABLE
Packing,preformed
Atlantic India Rubber Co Inc
4320-00-398-57201391 INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6625-00-424-44141391-P1 INTERCHANGEABLE
Meter,audio Level
General Microwave Corporation Div Kratos Microwave Electronics
5365-00-520-1835M1391 INTERCHANGEABLE
Shim
Aerosonic Llc
3020-00-790-0298 INTERCHANGEABLE
Chain,roller
5330-01-118-950429940-0415 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5910-01-224-3624 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4820-01-226-3249224-703-020-139-050 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
4820-01-251-6226145-205-030-139-000 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp
4820-01-291-58030600400 INTERCHANGEABLE
Valve,safety Relief
Velvac Inc
Cross-Reference Index
Part NumberManufacturer
1391 Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc. (USA)
Related Parts
5330-00-236-1484INTERCHANGEABLE
PACKING,PREFORMED
1391
4320-00-398-5720INTERCHANGEABLE
RING,LANTERN
1391
6625-00-424-4414INTERCHANGEABLE
METER,AUDIO LEVEL
1391-P1
5365-00-520-1835INTERCHANGEABLE
SHIM
M1391
3020-00-790-0298INTERCHANGEABLE
CHAIN,ROLLER
5330-01-118-9504INTERCHANGEABLE
SEAL,PLAIN ENCASED
29940-0415
5910-01-224-3624INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4820-01-226-3249INTERCHANGEABLE
VALVE,BUTTERFLY
224-703-020-139-050
4820-01-251-6226INTERCHANGEABLE
STEM,FLUID VALVE
145-205-030-139-000
4820-01-291-5803INTERCHANGEABLE
VALVE,SAFETY RELIEF
0600400
5330-01-360-1160INTERCHANGEABLE
SEAL,PLAIN
1391
4820-01-433-7153INTERCHANGEABLE
VALVE,BUTTERFLY
D139-6-220

Frequently Asked Questions

What is NSN 6635-01-071-1682?

NSN 6635-01-071-1682 is a Tensiometer, manufactured by Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc., classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-071-1682?

NSN 6635-01-071-1682 has 1 cross-referenced part number: 1391 (Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc.).

What NSN replaces 6635-01-071-1682?

There are 12 known substitutes for 6635-01-071-1682: 5330-00-236-1484, 4320-00-398-5720, 6625-00-424-4414 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1391?

Key specifications for 1391: End Item Identification: RADIO SET,RCA,AN/TRC-97A A; Scale Quantity: 1. 2 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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