PartsTable
Technical Data Sheet
Download PDF

981 9657 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

981 9657: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSEMBLY HOSE KIT (CONTROL VALVE COLUMN) V91M 3F PART NUMBER 5416108 FOR MODEL 377 HIPRO EP2 CONTROL SYSTEM, end_item_identification: USED ON VOLVO MARINE ENGINE DUOPROP DRIVE UPPER GEAR UNIT, part_name_assigned_by_controlling_agency: HP HOSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-476-9731, 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
981 9657
NSN: 4820-01-476-9731
NIINs: 014769731, 015383240, 015810157
FSC: 4820 — Valves, Nonpowered
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSEMBLY HOSE KIT (CONTROL VALVE COLUMN) V91M 3F PART NUMBER 5416108 FOR MODEL 377 HIPRO EP2 CONTROL SYSTEM
end_item_identificationUSED ON VOLVO MARINE ENGINE DUOPROP DRIVE UPPER GEAR UNIT
part_name_assigned_by_controlling_agencyHP HOSE
NSN4820-01-476-9731
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 981 9657 · 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
KEY FEATURES
•
CONNECTION STYLE: BEADED (HOSE) SECOND END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE SECOND END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
CONNECTION STYLEBEADED (HOSE) SECOND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.375 INCHES ALL ENDS IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
END ITEM IDENTIFICATION6115-01-285-3012,P/N:MEP 831A,3 KW GEN SET A
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 1
F108NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 981 9657?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 981 9657?
981 9657 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 981 9657?
There is 1 known substitute for 981 9657: F108N. Substitute compatibility should be verified for your specific system.
What is the NSN for 981 9657?
981 9657 is cataloged in the U.S. Government catalog under NSN 4820-01-476-9731. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 981 9657

✓ 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.