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5631L — LOCK,FLUSH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5631L: LOCK,FLUSH.

The LOCK,FLUSH is a the manufacturer industrial component. Key specifications include thickness: 0.125 INCHES MINIMUM MEMBER IN, design_type: DEAD BOLT, operation_method: WRENCH DEAD BOLT, supplementary_features: TWO DEADBOLTS,180 DEGREES TO EA OTHER,EXTENDING TO A MAX OF 93.000 IN IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-175-9756, 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
5631L
NSN: 5340-01-175-9756
FSC: 5340 — Hardware, Commercial
CAGE: 19220 — EASTERN CO DIV EBERHARD MANUFACTURING (USA)
SPECIFICATIONS
thickness0.125 INCHES MINIMUM MEMBER IN
design_typeDEAD BOLT
operation_methodWRENCH DEAD BOLT
special_featuresCASE MATERIAL:ANY ACCEPTABLE;CASE SURFACE TREATMENT:ANY ACCEPTABLE;CASE SHAPE:RECTANGULAR;LOCKING MECHANISM TYPE:ANY ACCEPTABLE;MASTER KEY PROVISION:NOT INCLUDED;BOLT TYPE:SINGLE BEVEL REVERSIBLE;
supplementary_featuresTWO DEADBOLTS,180 DEGREES TO EA OTHER,EXTENDING TO A MAX OF 93.000 IN IN
NSN5340-01-175-9756
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5631L 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: DEAD BOLT
•
SUPPLEMENTARY FEATURES: TWO DEADBOLTS,180 DEGREES TO EA OTHER,EXTENDING TO A MAX OF 93.000 IN IN
•
OPERATION METHOD: WRENCH DEAD BOLT
•
THICKNESS: 0.125 INCHES MINIMUM MEMBER IN
TECHNICAL CHARACTERISTICS
DESIGN TYPEDEAD BOLT
SUPPLEMENTARY FEATURESTWO DEADBOLTS,180 DEGREES TO EA OTHER,EXTENDING TO A MAX OF 93.000 IN IN
SPECIAL FEATURESCASE MATERIAL:ANY ACCEPTABLE;CASE SURFACE TREATMENT:ANY ACCEPTABLE;CASE SHAPE:RECTANGULAR;LOCKING MECHANISM TYPE:ANY ACCEPTABLE;MASTER KEY PROVISION:NOT INCLUDED;BOLT TYPE:SINGLE BEVEL REVERSIBLE;
OPERATION METHODWRENCH DEAD BOLT
THICKNESS0.125 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5631L?
5631L is a LOCK,FLUSH.
What is the NSN for 5631L?
5631L is cataloged in the U.S. Government catalog under NSN 5340-01-175-9756. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.