The Head Assembly, cataloged under National Stock Number 4310-00-936-8729, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-936-8729 |
| Item Name | Head Assembly |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS MATERIAL PAINTED GRAY;13.750 IN. LG,10.000 IN. W,5.500 IN. HTH;U SHAPED FLANGED BOTH ENDS FIRST END SQ 5.000 IN. BY 5.000 IN. 0.632 IN. THK FOUR BOLT HOLES 0.556 IN. DIA 5.250 IN. BOLT C DIA,SECOND END OCTAGON SHAPED 6.375 IN. W 0.900 IN. THK,W/SIX BOLT HOLES 0.556 IN. DIA 6.000 IN. BOLT C DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3121B | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 3121B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 3121B | 5/9 Secondary reference U.S. Government activity |
NSN 4310-00-936-8729 is a Head Assembly, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-00-936-8729: General Characteristics Item Description: BRASS MATERIAL PAINTED GRAY;13.750 IN. LG,10.000 IN. W,5.500 IN. HTH;U SHAPED FLANGED BOTH ENDS FIRST END SQ 5.000 IN. BY 5.000 IN. 0.632 IN. THK FOUR BOLT HOLES 0.556 IN. DIA 5.250 IN. BOLT C DIA,SECOND END OCTAGON SHAPED 6.375 IN. W 0.900 IN. THK,W/SIX BOLT HOLES 0.556 IN. DIA 6.000 IN. BOLT C DIA IN. 1 specification is 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.