PartsTable TECHNICAL DATA SHEET
NSN 3010-01-121-7927Government record, cited

Gland, Cylinder3010-01-121-7927

NSN 3010-01-121-7927 · NIIN 011217927 · Part number 518-4674804 ITEM 11
Naval Sea Systems Command · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3010-01-121-7927 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-121-7927. Manufacturer of record part number: 518-4674804 ITEM 11.
Also searched as  3010-01-121-7927 · 3010011217927 · NIIN 011217927 · 01-121-7927 · FSC 3010 Torque Converters and Speed Changers · CAGE 53711 · 518-4674804 ITEM 11 · 518-4674804 · 87625-0306 ITEM 11 · 0726-302PC11 · 4674804-0011 · 87625-0306
Nearby stock numbers  ·
Features
  • Gland,cylinder — FSC 3010
  • 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 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 3010-01-121-7927
  • NIIN: 011217927
  • FSC: 3010 — Torque Converters and Speed Changers
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 518-4674804 ITEM 11
  • Manufacturer: Naval Sea Systems Command
General Description

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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications
ParameterValue
NSN3010-01-121-7927
Primary Part Number518-4674804 ITEM 11
Item NameGland,cylinder
FSC / FSG3010 / 30 — Torque Converters and Speed Changers
ManufacturerNaval Sea Systems Command
StatusACTIVE
General Characteristics Item DescriptionMATL,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
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-128-5880467804-0001A POSSIBLE MATCH
PISTON,LINEAR ACTUATING CYLINDER
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3010-01-152-02504674804-0005 POSSIBLE MATCH
COUPLING,SHAFT,RIGID
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
518-4674804 ITEM 11 Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
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
Related Parts
3040-01-128-5880POSSIBLE MATCH
PISTON,LINEAR ACTUATING CYLINDER
467804-0001A
3010-01-152-0250POSSIBLE MATCH
COUPLING,SHAFT,RIGID
4674804-0005

Frequently Asked Questions

What is NSN 3010-01-121-7927?

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.

What part numbers are listed for NSN 3010-01-121-7927?

NSN 3010-01-121-7927 has 1 manufacturer part number on file: 518-4674804 ITEM 11 (Naval Sea Systems Command).

What NSN replaces 3010-01-121-7927?

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.

What are the specifications of 518-4674804 ITEM 11?

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.

Is NSN 3010-01-121-7927 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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