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3408A56 — PLUNGER,DETENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3408A56: PLUNGER,DETENT.

The PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include length: 0.750 INCHES NOMINAL OVERALL IN, diameter: 0.500 INCHES NOMINAL OVERALL IN, material: STEEL COMP 316 OVERALL, end_item_identification: DOOR, SLIDING, part_name_assigned_by_controlling_agency: SPRING PLUNGER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-642-3052, 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
3408A56
NSN: 5340-01-642-3052
FSC: 5340 — Hardware, Commercial
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
length0.750 INCHES NOMINAL OVERALL IN
diameter0.500 INCHES NOMINAL OVERALL IN
materialSTEEL COMP 316 OVERALL
special_featuresTHREAD SIZE IS 0.500-13;NOSE DIA IS 0.281 IN (NOM);EXTENDED NOSE FORCE IS 6.0 LBS, AND COMPRESSED NOSE FORCE IS 30.0 LBS LBS
end_item_identificationDOOR, SLIDING
part_name_assigned_by_controlling_agencySPRING PLUNGER
NSN5340-01-642-3052
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3408A56 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
•
LENGTH: 0.750 INCHES NOMINAL OVERALL IN
•
DIAMETER: 0.500 INCHES NOMINAL OVERALL IN
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.750 INCHES NOMINAL OVERALL IN
DIAMETER0.500 INCHES NOMINAL OVERALL IN
SPECIAL FEATURESTHREAD SIZE IS 0.500-13;NOSE DIA IS 0.281 IN (NOM);EXTENDED NOSE FORCE IS 6.0 LBS, AND COMPRESSED NOSE FORCE IS 30.0 LBS LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING PLUNGER
END ITEM IDENTIFICATIONDOOR, SLIDING
MATERIALSTEEL COMP 316 OVERALL
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
D-WK-879-67-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D-WK-879-67 REV G PC NO. 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3408A56?
3408A56 is a PLUNGER,DETENT.
What parts can replace 3408A56?
There are 2 known substitutes for 3408A56: D-WK-879-67-7, D-WK-879-67 REV G PC NO. 7. Substitute compatibility should be verified for your specific system.
What is the NSN for 3408A56?
3408A56 is cataloged in the U.S. Government catalog under NSN 5340-01-642-3052. This indicates validated use in U.S. government and defense supply chains.
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