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1000-4B-26D — LOCK SET,MORTISE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1000-4B-26D: LOCK SET,MORTISE.

The LOCK SET,MORTISE is a the manufacturer industrial component. Key specifications include thickness: 2.250 INCHES NOMINAL OVERALL IN, knob_shape: ROUND, design_type: LATCH, special_features: LOCK BODY HEIGHT 7.375 IN.;3.000 IN.W;3.8125 IN.DEPTH;LATCH FRONT 1.125 IN. BY 2.250 IN.

IN, surface_treatment: CHROMIUM DOOR PULL. This part is cataloged in the U.S. Government catalog under NSN 5340-01-339-3427, 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
1000-4B-26D
NSN: 5340-01-339-3427
FSC: 5340 — Hardware, Commercial
CAGE: 29722 — SIMPLEX ACCESS CONTROLS CORP (USA)
SPECIFICATIONS
thickness2.250 INCHES NOMINAL OVERALL IN
knob_shapeROUND
design_typeLATCH
knob_quantity1
special_featuresLOCK BODY HEIGHT 7.375 IN.;3.000 IN.W;3.8125 IN.DEPTH;LATCH FRONT 1.125 IN. BY 2.250 IN. IN
surface_treatmentCHROMIUM DOOR PULL
NSN5340-01-339-3427
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1000-4B-26D 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
•
KNOB SHAPE: ROUND
•
SURFACE TREATMENT: CHROMIUM DOOR PULL
•
KNOB QUANTITY: 1
•
THICKNESS: 2.250 INCHES NOMINAL OVERALL IN
TECHNICAL CHARACTERISTICS
DESIGN TYPELATCH
KNOB SHAPEROUND
SPECIAL FEATURESLOCK BODY HEIGHT 7.375 IN.;3.000 IN.W;3.8125 IN.DEPTH;LATCH FRONT 1.125 IN. BY 2.250 IN. IN
SURFACE TREATMENTCHROMIUM DOOR PULL
KNOB QUANTITY1
THICKNESS2.250 INCHES NOMINAL OVERALL 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 1000-4B-26D?
1000-4B-26D is a LOCK SET,MORTISE.
What is the NSN for 1000-4B-26D?
1000-4B-26D is cataloged in the U.S. Government catalog under NSN 5340-01-339-3427. 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.