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ST42D71-2 — LOCK,FLUSH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST42D71-2: LOCK,FLUSH.

The LOCK,FLUSH is a the manufacturer industrial component. Key specifications include material: STEEL CASE, bolt_type: SINGLE BEVEL NONREVERSIBLE, thickness: 1.250 INCHES MINIMUM MEMBER IN, design_type: LATCH BOLT, operation_method: HANDLE LATCH BOLT, special_features: CASE SHAPE:RECTANGULAR;LOCKING MECHANISM TYPE:TURN HANDLE;MASTER KEY PROVISION:NOT INCLUDED;. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-809-7820, 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
ST42D71-2
NSN: 5340-00-809-7820
FSC: 5340 — Hardware, Commercial
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL CASE
bolt_typeSINGLE BEVEL NONREVERSIBLE
thickness1.250 INCHES MINIMUM MEMBER IN
design_typeLATCH BOLT
operation_methodHANDLE LATCH BOLT
special_featuresCASE SHAPE:RECTANGULAR;LOCKING MECHANISM TYPE:TURN HANDLE;MASTER KEY PROVISION:NOT INCLUDED;
NSN5340-00-809-7820
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST42D71-2 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DESIGN TYPE: LATCH BOLT
•
BOLT TYPE: SINGLE BEVEL NONREVERSIBLE
•
MATERIAL: STEEL CASE
•
OPERATION METHOD: HANDLE LATCH BOLT
•
THICKNESS: 1.250 INCHES MINIMUM MEMBER IN
TECHNICAL CHARACTERISTICS
DESIGN TYPELATCH BOLT
BOLT TYPESINGLE BEVEL NONREVERSIBLE
SPECIAL FEATURESCASE SHAPE:RECTANGULAR;LOCKING MECHANISM TYPE:TURN HANDLE;MASTER KEY PROVISION:NOT INCLUDED;
MATERIALSTEEL CASE
OPERATION METHODHANDLE LATCH BOLT
THICKNESS1.250 INCHES MINIMUM MEMBER IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
11639470Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST42D71Reference 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
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FREQUENTLY ASKED QUESTIONS
What is ST42D71-2?
ST42D71-2 is a LOCK,FLUSH.
What parts can replace ST42D71-2?
There are 2 known substitutes for ST42D71-2: 11639470, ST42D71. Substitute compatibility should be verified for your specific system.
What is the NSN for ST42D71-2?
ST42D71-2 is cataloged in the U.S. Government catalog under NSN 5340-00-809-7820. This indicates validated use in U.S. government and defense supply chains.
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