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342-7067321-13 — TURNBUCKLE BODY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

342-7067321-13: TURNBUCKLE BODY.

The TURNBUCKLE BODY is a the manufacturer industrial component. Key specifications include material: STEEL BODY, thread_class: 3B BODY, thread_length: 4.120 INCHES NOMINAL BODY IN, thread_direction: RIGHT-HAND BODY, nominal_thread_size: 1.375 INCHES BODY IN, end_item_identification: VALVE, LIN DRN; W/S: OHIO CLASS SSBN (TRIDENT). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-517-0385, 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
342-7067321-13
NSN: 5340-01-517-0385
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL BODY
thread_class3B BODY
thread_length4.120 INCHES NOMINAL BODY IN
special_featuresTURNBUCKLE HAS 8 HOLES .406"DIA AND 45 DEGREE ANGLE SEPERATION FROM EACH HOLE; OUTSIDE HOLES ARE .25-28UNF-2B X .44 (MIN) FULL THD
thread_directionRIGHT-HAND BODY
nominal_thread_size1.375 INCHES BODY IN
end_item_identificationVALVE, LIN DRN; W/S: OHIO CLASS SSBN (TRIDENT)
thread_quantity_per_inch12 BODY
thread_series_designatorUNF BODY
material_document_and_classificationMIL-S-21952, GR-HY-100, TYPE B MIL SPEC SINGLE MATERIAL RESPONSE BODY
NSN5340-01-517-0385
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 342-7067321-13 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
•
THREAD LENGTH: 4.120 INCHES NOMINAL BODY IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-21952, GR-HY-100, TYPE B MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
THREAD DIRECTION: RIGHT-HAND BODY
•
NOMINAL THREAD SIZE: 1.375 INCHES BODY IN
•
THREAD CLASS: 3B BODY
•
THREAD QUANTITY PER INCH: 12 BODY
TECHNICAL CHARACTERISTICS
THREAD LENGTH4.120 INCHES NOMINAL BODY IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-21952, GR-HY-100, TYPE B MIL SPEC SINGLE MATERIAL RESPONSE BODY
THREAD DIRECTIONRIGHT-HAND BODY
NOMINAL THREAD SIZE1.375 INCHES BODY IN
SPECIAL FEATURESTURNBUCKLE HAS 8 HOLES .406"DIA AND 45 DEGREE ANGLE SEPERATION FROM EACH HOLE; OUTSIDE HOLES ARE .25-28UNF-2B X .44 (MIN) FULL THD
THREAD CLASS3B BODY
END ITEM IDENTIFICATIONVALVE, LIN DRN; W/S: OHIO CLASS SSBN (TRIDENT)
THREAD QUANTITY PER INCH12 BODY
MATERIALSTEEL BODY
THREAD SERIES DESIGNATORUNF BODY
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 342-7067321-13?
342-7067321-13 is a TURNBUCKLE BODY.
What is the NSN for 342-7067321-13?
342-7067321-13 is cataloged in the U.S. Government catalog under NSN 5340-01-517-0385. 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.