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B4107-1 — TURNBUCKLE BODY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B4107-1: TURNBUCKLE BODY.

The TURNBUCKLE BODY is a the manufacturer industrial component. Key specifications include material: STEEL AND PLASTIC OVERALL, body_style: ROUND OPEN BODY, body_length: 1.800 INCHES NOMINAL IN, thread_class: 3B BODY, special_features: BODY SIDES FLATTENED TO 0.438 IN. ACROSS FLATS; COLOR DULL BLACK NO.

37038,FED-STD-595 IN, nominal_thread_size: 0.312 INCHES BODY IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-265-6248, 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
B4107-1
NSN: 5340-01-265-6248
FSC: 5340 — Hardware, Commercial
CAGE: 54184 — ARA, INC (USA)
SPECIFICATIONS
materialSTEEL AND PLASTIC OVERALL
body_styleROUND OPEN BODY
body_length1.800 INCHES NOMINAL IN
thread_class3B BODY
special_featuresBODY SIDES FLATTENED TO 0.438 IN. ACROSS FLATS; COLOR DULL BLACK NO. 37038,FED-STD-595 IN
nominal_thread_size0.312 INCHES BODY IN
thread_series_designatorUNF BODY
NSN5340-01-265-6248
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B4107-1 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
•
BODY STYLE: ROUND OPEN BODY
•
NOMINAL THREAD SIZE: 0.312 INCHES BODY IN
•
BODY LENGTH: 1.800 INCHES NOMINAL IN
•
THREAD CLASS: 3B BODY
•
MATERIAL: STEEL AND PLASTIC OVERALL
•
THREAD SERIES DESIGNATOR: UNF BODY
TECHNICAL CHARACTERISTICS
BODY STYLEROUND OPEN BODY
NOMINAL THREAD SIZE0.312 INCHES BODY IN
BODY LENGTH1.800 INCHES NOMINAL IN
SPECIAL FEATURESBODY SIDES FLATTENED TO 0.438 IN. ACROSS FLATS; COLOR DULL BLACK NO. 37038,FED-STD-595 IN
THREAD CLASS3B BODY
MATERIALSTEEL AND PLASTIC OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B4107-1?
B4107-1 is a TURNBUCKLE BODY.
What is the NSN for B4107-1?
B4107-1 is cataloged in the U.S. Government catalog under NSN 5340-01-265-6248. 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.