The Clamp,loop, cataloged under National Stock Number 5340-00-637-1939, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-637-1939 |
| Primary Part Number | 389-20 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins |
| Status | CANCELLED |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Surface Treatment | PASSIVATE BAND |
| Material Thickness | 0.064 INCHES NOMINAL IN |
| Cushioning Environmental Protection | HEAT |
| Material | STEEL CORROSION RESISTING CUSHION |
| Tongue Hole Type | ROUND, UNTHREADED |
| Loop Inside Diameter | 1.250 INCHES NOMINAL IN |
| Center to Center Distance Between Loop and Mounting Hole | 1.125 INCHES NOMINAL IN |
| Style Designator | SINGLE LOOP |
| Distance From Loop Center to Tongue End | 1.343 INCHES NOMINAL IN |
| Material | STEEL COMP 321 BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 286834 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 397-20 | Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins (USA) |
| 416810-01A | Zf Industrieantriebe Witten Gmbh (DEU) |
| 389-20 PRIMARY | Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins (USA) |
NSN 5340-00-637-1939 is a Clamp,loop, manufactured by Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins, classified under FSC 5340 (No Item Name Available). Status: cancelled.
NSN 5340-00-637-1939 has 4 cross-referenced part numbers: 286834 (Zf Industrieantriebe Witten Gmbh), 397-20 (Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins), 416810-01A (Zf Industrieantriebe Witten Gmbh), 389-20 (Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins).
There are 12 known substitutes for 5340-00-637-1939: 5940-00-058-8939, 4810-00-218-6271, 3110-00-341-6621 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 389-20: Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND; Surface Treatment: PASSIVATE BAND; Material Thickness: 0.064 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5340-00-637-1939 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.