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20334B — LOCK SET,MORTISE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20334B: LOCK SET,MORTISE.

The LOCK SET,MORTISE is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR CASE, width: 1.062 INCHES NOMINAL IN, height: 5.500 INCHES NOMINAL IN, length: 8.000 INCHES NOMINAL IN, material: COPPER ALLOY KNOB, bolt_type: SINGLE BEVEL NONREVERSIBLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-219-3838, 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
20334B
NSN: 5340-01-219-3838
FSC: 5340 — Hardware, Commercial
CAGE: 19175 — STEFANOWICZ & LUTZ INC DBA MERIT METAL PRODUCTS CORP (USA)
SPECIFICATIONS
shapeRECTANGULAR CASE
width1.062 INCHES NOMINAL IN
height5.500 INCHES NOMINAL IN
length8.000 INCHES NOMINAL IN
materialCOPPER ALLOY KNOB
bolt_typeSINGLE BEVEL NONREVERSIBLE
thickness3.875 INCHES NOMINAL CASE IN
face_shapeFLAT
knob_shapeELLIPTICAL
design_typeLATCH BOLT
knob_quantity2
operation_methodHANDLE ON INSIDE AND KNOB ON OUTSIDE LATCH BOLT
NSN5340-01-219-3838
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20334B 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
•
LOCKING MECHANISM TYPE: PIN TUMBLER
•
LENGTH: 8.000 INCHES NOMINAL IN
•
FACE SHAPE: FLAT
•
DESIGN TYPE: LATCH BOLT
•
SHAPE: RECTANGULAR CASE
•
FEATURES PROVIDED: STRIKE AND KEY
•
KNOB SHAPE: ELLIPTICAL
•
BOLT TYPE: SINGLE BEVEL NONREVERSIBLE
TECHNICAL CHARACTERISTICS
LOCKING MECHANISM TYPEPIN TUMBLER
LENGTH8.000 INCHES NOMINAL IN
FACE SHAPEFLAT
DESIGN TYPELATCH BOLT
SHAPERECTANGULAR CASE
FEATURES PROVIDEDSTRIKE AND KEY
KNOB SHAPEELLIPTICAL
BOLT TYPESINGLE BEVEL NONREVERSIBLE
HEIGHT5.500 INCHES NOMINAL IN
SPECIAL FEATURESTHICKNESS:1.000 IN.THK 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 1
20334-DROPRINGReference 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 20334B?
20334B is a LOCK SET,MORTISE.
What parts can replace 20334B?
There is 1 known substitute for 20334B: 20334-DROPRING. Substitute compatibility should be verified for your specific system.
What is the NSN for 20334B?
20334B is cataloged in the U.S. Government catalog under NSN 5340-01-219-3838. 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.