PartsTable
Technical Data Sheet
Download PDF

42512B — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

42512B: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 347, outside_diameter: 1.097 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN, material_thickness: 0.002 INCHES MINIMUM AND 0.004 INCHES MAXIMUM IN, supplementary_features: PASSIVATED,QQ-P-35, material_document_and_classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-058-7334, 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
42512B
NSN: 4820-01-058-7334
FSC: 4820 — Valves, Nonpowered
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
materialSTEEL COMP 347
outside_diameter1.097 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN
material_thickness0.002 INCHES MINIMUM AND 0.004 INCHES MAXIMUM IN
supplementary_featuresPASSIVATED,QQ-P-35
material_document_and_classificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-058-7334
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 42512B · 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
•
OUTSIDE DIAMETER: 1.097 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN
•
SUPPLEMENTARY FEATURES: PASSIVATED,QQ-P-35
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL THICKNESS: 0.002 INCHES MINIMUM AND 0.004 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 347
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.097 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN
SUPPLEMENTARY FEATURESPASSIVATED,QQ-P-35
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.002 INCHES MINIMUM AND 0.004 INCHES MAXIMUM IN
MATERIALSTEEL COMP 347
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
585184-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 42512B?
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 42512B?
42512B is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 42512B?
There is 1 known substitute for 42512B: 585184-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 42512B?
42512B is cataloged in the U.S. Government catalog under NSN 4820-01-058-7334. 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 — 42512B

✓ 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.