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PartsTable / COMPONENT / 007531408 ITEM 31
007531408 ITEM 31 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: GASKET SEAL, COMPRESSION (TUBE) FIRST END, special_features: AIRCRAFT GRUNMAN MODEL NO.A10, operating_pressure: 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-057-7252, 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
007531408 ITEM 31
NSN: 4820-01-057-7252
FSC: 4820
CAGE: K1367 — MINISTRY OF DEFENCE (NAVY), SHIP SUPPORT AGENCY, NAVAL TECHNICAL PUBLICATION AUTHORITY (GBR)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleGASKET SEAL, COMPRESSION (TUBE) FIRST END
special_featuresAIRCRAFT GRUNMAN MODEL NO.A10
operating_pressure10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.190 INCHES SECOND END IN
nominal_overall_length0.846 INCHES IN
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity1 GASKET AND 1 SHORT COUPLING NUT
nominal_outside_diameter_tube_accommodated0.125 INCHES FIRST END IN
NSN4820-01-057-7252
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 007531408 ITEM 31 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
631640Interchangeable
interchangeable cross-reference
interchangeable
100159Interchangeable
interchangeable cross-reference
interchangeable
SB340 MOD3 D08Interchangeable
interchangeable cross-reference
interchangeable
3228404-1Interchangeable
interchangeable cross-reference
interchangeable
3228404Interchangeable
interchangeable cross-reference
interchangeable
11752-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 007531408 ITEM 31?
007531408 ITEM 31 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 007531408 ITEM 31?
There are 20 known substitutes for 007531408 ITEM 31: 631640, 100159, SB340 MOD3 D08 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 007531408 ITEM 31?
007531408 ITEM 31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-057-7252. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026