The Tee Assembly, cataloged under National Stock Number 4240-00-977-8498, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-00-977-8498 |
| Item Name | Tee Assembly |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF:TEE,CAST BRONZE,SOLDER-TYPE,COPPER TO COPPER TO COPPER,11 IN. SIZE,NO.1711;SEAMLESS CARBON MECHANICAL TUBING,RD,COND CWSR,MT1020,1 1/8 O.D.X.060 WALL THK,ASTM A519;ELBOW,45 DEGREE,CAST BRONZE,SOLDER-TYPE,FITTING TO COPPER,1 IN. SIZE,NO.1706-2 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| C5-19-3034 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-00-977-8498 is a Tee Assembly, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-00-977-8498: General Characteristics Item Description: CONSISTS OF:TEE,CAST BRONZE,SOLDER-TYPE,COPPER TO COPPER TO COPPER,11 IN. SIZE,NO.1711;SEAMLESS CARBON MECHANICAL TUBING,RD,COND CWSR,MT1020,1 1/8 O.D.X.060 WALL THK,ASTM A519;ELBOW,45 DEGREE,CAST BRONZE,SOLDER-TYPE,FITTING TO COPPER,1 IN. SIZE,NO.1706-2 IN; End Item Identification: 4240-00-601-8372. 1 specification is 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.
NSN 4240-00-977-8498 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.