The Slide,indicator,acc, cataloged under National Stock Number 3040-01-484-7283, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-484-7283 |
| Primary Part Number | 556-7106781-1 |
| Item Name | Slide,indicator,acc |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 1.6250 INCHES NOMINAL IN |
| General Characteristics Item Description | CRES 304; QQ-S-763 CL 304 COND A; MADE FROM ROUND BAR 1.7500 INCHES DIAMETER IN |
| Functional Description | PART OF THE INDICATOR ASSEMBLY, IT SLIDES INSIDE A CYLINDER TO GIVE A VISUAL INDICATION OF EMPTY TO FULL OR IN BETWEEN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 556-7106781-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H792-8111-1 | 5/2 Secondary reference U.S. Government activity |
| 556-7106781-21 | 3/9 Design control — primary reference Naval Sea Systems Command |
| 7106781 | D/9 Drawing number reference only Naval Sea Systems Command |
| H792-8111 | D/9 Drawing number reference only U.S. Government activity |
| H792-8111-21 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-484-7283 is a Slide,indicator,acc, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-484-7283 has 1 manufacturer part number on file: 556-7106781-1 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 6680-01-484-7642, 6680-01-484-7649. Verify interchangeability with system specifications before substitution.
Key specifications for 556-7106781-1: Overall Diameter: 1.6250 INCHES NOMINAL IN; General Characteristics Item Description: CRES 304; QQ-S-763 CL 304 COND A; MADE FROM ROUND BAR 1.7500 INCHES DIAMETER IN; Overall Length: 4.2500 INCHES NOMINAL IN; Special Features: FIRST END TAPERED 15 DEGREES 0.5600 INCHES BACK TO END, INSIDE DIAMETER 0.8280 INCHES FOR 3.8700 + 0.0030 - 0.0000 INCHES WITH 0.600 X 45 DEGREE CHAMFER AT END; SECOND END INSIDE DIAMETER 0.6600 INCHES FOR 0.3720 + 0.0030 - 0.0000 INCHES WITH 0.0600 X 45 DEGREE CHAMFER AT BOTH ENDS WITH ONE HOLE DRILLED AND REAMED 0.1880 INCHES DIAMETER 0.1900 INCHES ON CENTER FROM END. THE -1 P/N AND THE -21 P/N ARE THE EXACT SAME ITEM, WITH NO DIFFERENCES. DRAWING 556-7106781 DECICTS BOTH DASH NUMBERS BECAUSE THEY ARE USED ON 2 DIFFERENT APPLICATIONS. THE -1 IS USED ON A 400CU INCH ACCUMULATOR WITH NO SWITCH, AND THE -21 IS USED ON A 400CU INCH ACCUMULATOR WITH A SWITCH. EACH DASH NUMBER IS ASSOCIATED WITH A DIFFERENT NAVY APL IN. 4 specifications are 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.