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239-115 — RETAINER,PACKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

239-115: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, head_style: KNURLED NO. 4, head_height: 0.250 INCHES NOMINAL IN, point_style: FLAT, point_length: 0.094 INCHES NOMINAL IN, thread_class: 2A A.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-313-3020, 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
239-115
NSN: 5305-00-313-3020
NIINs: 003133020, 011910530
FSC: 5305 — Screws
CAGE: 02184 — O'BRIEN GEAR CO (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
head_styleKNURLED NO. 4
head_height0.250 INCHES NOMINAL IN
point_styleFLAT
point_length0.094 INCHES NOMINAL IN
thread_class2A A
head_diameter1.000 INCHES NOMINAL IN
thread_length0.250 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.188 INCHES NOMINAL IN
shoulder_length0.375 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
NSN5305-00-313-3020
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 239-115 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
POINT LENGTH: 0.094 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.188 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.375 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.375 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 0.250 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
POINT CHAMFER ANGLE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
POINT LENGTH0.094 INCHES NOMINAL IN
FASTENER LENGTH1.188 INCHES NOMINAL IN
SHOULDER LENGTH0.375 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.375 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.250 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEKNURLED NO. 4
SUBSTITUTES & CROSS-REFERENCES 1
BA19917Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 239-115?
239-115 is a RETAINER,PACKING.
What parts can replace 239-115?
There is 1 known substitute for 239-115: BA19917. Substitute compatibility should be verified for your specific system.
What is the NSN for 239-115?
239-115 is cataloged in the U.S. Government catalog under NSN 5305-00-313-3020. 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.