The Tool Assembly,valve, cataloged under National Stock Number 4810-01-127-7964, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-130-2334810-2178000-2 ITEM 4,5POSSIBLE MATCH
COUPLER,VALVE STEM
Possible match (shared part number)Naval Ship Systems Command
3040-01-134-3604810-2178000-5 ITEM 14POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Naval Sea Systems Command
4810-01-138-2957810-2178000-2 ITEM 19POSSIBLE MATCH
CUP,LOCKING,VALVE
Possible match (shared part number)Naval Ship Systems Command
5305-01-155-7920810-2178000-1 ITEM 46POSSIBLE MATCH
SCREW,STOP VALVE
Possible match (shared part number)Naval Ship Systems Command
4730-01-164-9714810-2178000 ITEM 148POSSIBLE MATCH
PLUG,TUBE FITTING,THREADED
Possible match (shared part number)Naval Ship Systems Command
4820-01-181-3733810-2178000-5 ITEM 6POSSIBLE MATCH
INDICATOR,VALVE
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
810-2178000-9 ITEM 1 TO 16
5/9Secondary reference
U.S. Government activity
810-2178000-9 ITEM 1 TO 22
3/2Design control — primary reference
U.S. Government activity
810-2178000
D/9Drawing number reference only
U.S. Government activity
810-2178000-8 I
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
Related Parts
4810-01-130-2334POSSIBLE MATCH
COUPLER,VALVE STEM
810-2178000-2 ITEM 4,5
3040-01-134-3604POSSIBLE MATCH
COLLAR,SHAFT
810-2178000-5 ITEM 14
4810-01-138-2957POSSIBLE MATCH
CUP,LOCKING,VALVE
810-2178000-2 ITEM 19
5305-01-155-7920POSSIBLE MATCH
SCREW,STOP VALVE
810-2178000-1 ITEM 46
4730-01-164-9714POSSIBLE MATCH
PLUG,TUBE FITTING,THREADED
810-2178000 ITEM 148
4820-01-181-3733POSSIBLE MATCH
INDICATOR,VALVE
810-2178000-5 ITEM 6
Frequently Asked Questions
What is NSN 4810-01-127-7964?
NSN 4810-01-127-7964 is a Tool Assembly,valve, classified under FSC 4810, Valves, Powered. Status: active.
What NSN replaces 4810-01-127-7964?
6 possible matches (shared part number, not a government interchangeability claim): 4810-01-130-2334, 3040-01-134-3604, 4810-01-138-2957. Verify interchangeability with system specifications before substitution.
What are the specifications of 4810-01-127-7964?
Key specifications for 4810-01-127-7964: General Characteristics Item Description: CONSISTS OF STEEL CASE 1;STEEL SHAFT,JACK 1;STEEL FACEPLATE 2;BRONZE BEARING 1;NICKEL COPPER SPACER 1;RUBBER DISC 4;STEEL COVER 1;STEEL LUG,RETAINER 2;ALUMINUM PLATE,INSTRUCTION 1;NICKEL COPPER SCREW,CAP SCH 2;NICKEL COPPER SLEEVE 8;STEEL RETAINER,JACK,SHAFT 1;PLASTIC WASHER,THRUST 1. 1 specification is documented in the U.S. Government catalog.
Is NSN 4810-01-127-7964 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.