The Flange,repair,water Closet, cataloged under National Stock Number 4510-01-398-6777, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Fernco Inc. Government technical data includes 2 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 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 | 4510-01-398-6777 |
| Primary Part Number | SF-100 |
| Item Name | Flange,repair,water Closet |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Fernco Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 90DEG SPANNER FLANGE WITH BOLT HOLE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| SF-100 PRIMARY | Fernco Inc (USA) |
NSN 4510-01-398-6777 is a Flange,repair,water Closet, manufactured by Fernco Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-398-6777 has 1 manufacturer part number on file: SF-100 (Fernco Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-399-9280, 6515-01-433-7685. Verify interchangeability with system specifications before substitution.
Key specifications for SF-100: General Characteristics Item Description: 90DEG SPANNER FLANGE WITH BOLT HOLE; Special Features: FITS UNDER BROKEN PORTION OF WATER CLOSET FLANGE; SUITABLE FOR USE WITH CAST IRON, PLASTIC, COPPER, AND BRASS WATER CLOSET FLANGES; Material: STEEL CORROSION RESISTING. 2 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.