PartsTable
Technical Data Sheet
Download PDF

B7451-001-128 — WINCH,DRUM,HAND OPERATED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B7451-001-128: WINCH,DRUM,HAND OPERATED.

The WINCH,DRUM,HAND OPERATED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, special_features: 3.465 IN. DIA, LARGEST; 0.375 IN.

FLANGE H; INT THD 3.125-14; 3.000 IN. ID NOT THD; 2.875 IN. O/A H IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-331-9926, 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
B7451-001-128
NSN: 4820-00-331-9926
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY
special_features3.465 IN. DIA, LARGEST; 0.375 IN. FLANGE H; INT THD 3.125-14; 3.000 IN. ID NOT THD; 2.875 IN. O/A H IN
NSN4820-00-331-9926
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B7451-001-128 · 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
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES3.465 IN. DIA, LARGEST; 0.375 IN. FLANGE H; INT THD 3.125-14; 3.000 IN. ID NOT THD; 2.875 IN. O/A H IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
8007-25Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy B7451-001-128?
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 B7451-001-128?
B7451-001-128 is a WINCH,DRUM,HAND OPERATED.
What parts can replace B7451-001-128?
There is 1 known substitute for B7451-001-128: 8007-25. Substitute compatibility should be verified for your specific system.
What is the NSN for B7451-001-128?
B7451-001-128 is cataloged in the U.S. Government catalog under NSN 4820-00-331-9926. 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 — B7451-001-128

✓ 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.