The Plug,expansion, cataloged under National Stock Number 5340-01-090-8909, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rosomak S.a. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-090-8909 |
| Primary Part Number | MS 9176-20 |
| Item Name | Plug,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rosomak S.a |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE |
| Outside Diameter | 1.006 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN |
| Style Designator | CUP |
| Material Document and Classification | AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE |
| Material Thickness | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Height | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE |
| Material | STEEL |
| 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 |
|---|---|
| MS 9176-20 | Rosomak S.a (POL) |
| 2 0040-338 | Bae Systems Hagglunds Aktiebolag (SWE) |
| MS9176-20 | Northrop Grumman Systems Corp Div Weapon System (USA) |
| Reference | Meaning |
|---|---|
| 2 0040-338 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| MS9176-20 | 2/2 Government specification standardization U.S. Government activity |
| MS9176-20 | 5/1 Secondary reference Alliant Techsystems Operations Llc |
| 10186991 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-090-8909 is a Plug,expansion, manufactured by Rosomak S.a, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-090-8909 has 3 manufacturer part numbers on file: MS 9176-20 (Rosomak S.a), 2 0040-338 (Bae Systems Hagglunds Aktiebolag), MS9176-20 (Northrop Grumman Systems Corp Div Weapon System).
Key specifications for MS 9176-20: Surface Treatment Document and Classification: AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE; Outside Diameter: 1.006 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN; Style Designator: CUP; Material Document and Classification: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE. 8 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.