The Parts Kit,sight Indicator, cataloged under National Stock Number 6680-01-657-5325, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Clark-Reliance Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-657-5325 |
| Primary Part Number | TMS-7501 |
| Item Name | Parts Kit,sight Indicator |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Clark-Reliance Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| TMS-7501 PRIMARY | Clark-Reliance Llc (USA) |
| Reference | Meaning |
|---|---|
| TXZ-15-D5 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-657-5325 is a Parts Kit,sight Indicator, manufactured by Clark-Reliance Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-657-5325 has 1 manufacturer part number on file: TMS-7501 (Clark-Reliance Llc).
Key specifications for TMS-7501: Special Features: DESCRIPTION: REPLACEMENT GLASS & GASKETS TO REBUILD 1/2IN & 3/4IN MODELS 910-FA, 910-FA(NF), 608-FA, 935-FA GLASS: TEMPERED BOROSILICATE (2 PCS) SEAL GASKET: PTFE GYLON 3545 (2 PCS) CUSHION GASKET: FIBER (2 PCS) MAXIMUM PRESSURE: 316SS BODY: 275 PSIG AT 100 F (19.0 BAR G AT 38 C) STEEL BODY: 285 PSIG (19.6 BAR G AT 38 C) IN; Part Name Assigned by Controlling Agency: REPLACEMENT GLASS AND GASKETS FOR 1/2IN AND 3/4IN WITH PTFE GYLON SEALS-TXZ 15 D5 IN; End Item Identification: SFI 935-FA-1/. 0 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.