The Gland,cylinder, cataloged under National Stock Number 3010-01-121-7927, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-121-7927 |
| Primary Part Number | 518-4674804 ITEM 11 |
| Item Name | Gland,cylinder |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | MATL,COPPER ALLOY,MIL-B-24059,15.500 IN.OUTSIDE DIA,4 HOLES EQ SPACED 0.312 DIA,8 HOLES EQ SPACED ON INSIDE FACE,0.688 IN.DEEP,0.875 IN.DIA,250-20-UNC-2B,OUTER FACE 8 HOLES EQ SPACED,0.922 IN.DEEP,0.484 IN.DIA,0.438-14-UNC-2B 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 |
|---|---|
| 518-4674804 ITEM 11 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 518-4674804 | D/9 Drawing number reference only Naval Sea Systems Command |
| 87625-0306 ITEM 11 | 3/2 Design control — primary reference U.S. Government activity |
| 0726-302PC11 | 5/9 Secondary reference Dynatek-Technology Inc |
| 4674804-0011 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 87625-0306 | D/9 Drawing number reference only U.S. Government activity |
| 0726-302PC11 | 5/9 Secondary reference Aluf Industries Inc |
NSN 3010-01-121-7927 is a Gland,cylinder, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-121-7927 has 1 manufacturer part number on file: 518-4674804 ITEM 11 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-128-5880, 3010-01-152-0250. Verify interchangeability with system specifications before substitution.
Key specifications for 518-4674804 ITEM 11: General Characteristics Item Description: MATL,COPPER ALLOY,MIL-B-24059,15.500 IN.OUTSIDE DIA,4 HOLES EQ SPACED 0.312 DIA,8 HOLES EQ SPACED ON INSIDE FACE,0.688 IN.DEEP,0.875 IN.DIA,250-20-UNC-2B,OUTER FACE 8 HOLES EQ SPACED,0.922 IN.DEEP,0.484 IN.DIA,0.438-14-UNC-2B 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.