The Strainer Element,sediment, cataloged under National Stock Number 4730-01-282-5167, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Staples & Pfeiffer, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-282-5167 |
| Primary Part Number | 631A 2.5IN PIECE 25 0.125SS |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Staples & Pfeiffer, Inc. |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| End Connection Type | FLANGE W/BAIL FIRST END |
| Perforation Quantity | 32.0 PER SQUARE INCH |
| Style Designator | CYLINDRICAL |
| Material | STEEL CORROSION RESISTING |
| Perforation Diameter | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 631A 2.5IN PIECE 25 0.125SS | Staples & Pfeiffer, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 123YF-2.5IN-25 BASKET 0.125SS | 3/9 Design control — primary reference Staples & Pfeiffer, Inc. |
| 123YF-2.5IN-25B | C/1 Advisory reference — outside the item-of-supply concept Staples & Pfeiffer, Inc. |
| 631A | D/9 Drawing number reference only Staples & Pfeiffer, Inc. |
NSN 4730-01-282-5167 is a Strainer Element,sediment, manufactured by Staples & Pfeiffer, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-282-5167 has 1 manufacturer part number on file: 631A 2.5IN PIECE 25 0.125SS (Staples & Pfeiffer, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-431-6637, 4730-01-559-0371, 4730-01-559-0388. Verify interchangeability with system specifications before substitution.
Key specifications for 631A 2.5IN PIECE 25 0.125SS: Filtering Media Design: PERFORATED; End Connection Type: FLANGE W/BAIL FIRST END; Perforation Quantity: 32.0 PER SQUARE INCH; Style Designator: CYLINDRICAL. 6 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.