The Pin,shoulder,headed, cataloged under National Stock Number 5315-01-481-7249, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-481-7249 |
| Primary Part Number | A48648MBF |
| Item Name | Pin,shoulder,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Third Step Diameter | 1.625 INCHES NOMINAL IN |
| Material Document and Classification | ASTMB21 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 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 |
|---|---|
| A48648MBF PRIMARY | Hunt Valve Company, Inc. (USA) |
| D48671 ITEM 30 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A48648MBF | 3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
| D48671 ITEM 30 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| D48671 | D/9 Drawing number reference only Hunt Valve Company Inc Dba Union Flonetics |
NSN 5315-01-481-7249 is a Pin,shoulder,headed, manufactured by Hunt Valve Company, Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-481-7249 has 2 manufacturer part numbers on file: A48648MBF (Hunt Valve Company, Inc.), D48671 ITEM 30 (Hunt Valve Company, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5306-01-481-7877, 5310-01-481-8604, 4820-01-482-2538. Verify interchangeability with system specifications before substitution.
Key specifications for A48648MBF: Third Step Diameter: 1.625 INCHES NOMINAL IN; Material Document and Classification: ASTMB21 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: R10B ANGLE RELIEF VALVE PER MIL-V-22549; Part Name Assigned by Controlling Agency: ADJUSTING RING PIN. 3 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.