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38-4-48-4-OP — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

38-4-48-4-OP: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL, head_height: 0.073 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.171 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, thread_length: 0.208 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-340-1522, 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
38-4-48-4-OP
NSN: 5305-01-340-1522
FSC: 5305 — Screws
CAGE: 63848 — WARREN INDUSTRIES INC DBA WARREN INDUSTRIES INC DIV WARREN-KNIGHT INSTRUMENT CO. AND N. AMER. SURVEY SUPPLY CO. (USA)
SPECIFICATIONS
head_styleOVAL
head_height0.073 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.171 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
thread_length0.208 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.099 INCHES IN
screw_surface_treatmentNICKEL
thread_quantity_per_inch48
NSN5305-01-340-1522
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 38-4-48-4-OP · 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: 0.073 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: NICKEL
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
THREAD LENGTH: 0.208 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.099 INCHES IN
•
HEAD STYLE: OVAL
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.073 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTNICKEL
FASTENER LENGTH0.250 INCHES NOMINAL IN
THREAD LENGTH0.208 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.099 INCHES IN
HEAD STYLEOVAL
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 38-4-48-4-OP?
38-4-48-4-OP is a SCREW,MACHINE.
What is the NSN for 38-4-48-4-OP?
38-4-48-4-OP is cataloged in the U.S. Government catalog under NSN 5305-01-340-1522. 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.