The Clamp,loop, cataloged under National Stock Number 5340-01-705-7639, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-705-7639 |
| Primary Part Number | 9NG0012D16F |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A |
| Cushioning Environmental Protection | OZONE RESISTANT |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | MIL-DTL-25988, TYPE II, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION |
| Material Document and Classification | AMS-QQ-A-250/5, T4 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.265 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.955 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ CUSHION |
| Material | ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 BAND |
| Loop Inside Diameter | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 9NG0012D16F PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 40005D16FS | 5/2 Secondary reference U.S. Government activity |
| 9NG0012 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| TA0220055DC16FK | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-705-7639 is a Clamp,loop, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-705-7639 has 1 manufacturer part number on file: 9NG0012D16F (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 9NG0012D16F: Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A; Cushioning Environmental Protection: OZONE RESISTANT; Style Designator: SINGLE LOOP; Material Document and Classification: MIL-DTL-25988, TYPE II, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION. 14 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.