The Spring,garter,extension, cataloged under National Stock Number 5360-01-203-0971, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-203-0971 |
| Primary Part Number | CT0172-05 |
| Item Name | Spring,garter,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.228 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Inside Diameter | 1.062 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN |
| Stock Diameter | 0.011 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CT0172-05 PRIMARY | R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| P215-05 | 5/9 Secondary reference Aerospace Manufacturing Inc Dba Aerospace Manufacturing Inc |
| LE482-0017-0005 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5360-01-203-0971 is a Spring,garter,extension, manufactured by R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-203-0971 has 1 manufacturer part number on file: CT0172-05 (R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp).
Key specifications for CT0172-05: Spring Free Outside Diameter: 1.228 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Inside Diameter: 1.062 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.