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81-1054RK — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

81-1054RK: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include special_features: REGULATOR, DEMAND FLOW FOR 34AL, 58AL, 103L, part_name_assigned_by_controlling_agency: REGULATOR, DEMAND FLOW. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-683-1276, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
81-1054RK
NSN: 4810-01-683-1276
FSC: 4810 — Valves, Powered
CAGE: 04VL7 — RKI INSTRUMENTS, INC. DBA RKI INSTRUMENTS INC (USA)
SPECIFICATIONS
special_featuresREGULATOR, DEMAND FLOW FOR 34AL, 58AL, 103L
part_name_assigned_by_controlling_agencyREGULATOR, DEMAND FLOW
NSN4810-01-683-1276
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 81-1054RK · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESREGULATOR, DEMAND FLOW FOR 34AL, 58AL, 103L
PART NAME ASSIGNED BY CONTROLLING AGENCYREGULATOR, DEMAND FLOW
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81-1054RK?
81-1054RK is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 81-1054RK?
81-1054RK is cataloged in the U.S. Government catalog under NSN 4810-01-683-1276. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.