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AAS2525-27 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AAS2525-27: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND EXTENDED WASHER, head_height: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.361 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, screw_material: STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-286-0861, 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
AAS2525-27
NSN: 5305-01-286-0861
FSC: 5305 — Screws
CAGE: 28977 — ACCURATE PRECISION FASTENER CORP. DIV ACCURATE PRECISION FASTENERS CORP (USA)
SPECIFICATIONS
head_styleROUND EXTENDED WASHER
head_height0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length0.361 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037
fastener_length1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
extended_washer_diameter0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
NSN5305-01-286-0861
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AAS2525-27 · 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
•
EXTENDED WASHER THICKNESS: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.361 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROUND EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
HEAD HEIGHT0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
FASTENER LENGTH1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
THREAD LENGTH0.361 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037
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 1
125C2525-27Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 AAS2525-27?
AAS2525-27 is a SCREW,MACHINE.
What parts can replace AAS2525-27?
There is 1 known substitute for AAS2525-27: 125C2525-27. Substitute compatibility should be verified for your specific system.
What is the NSN for AAS2525-27?
AAS2525-27 is cataloged in the U.S. Government catalog under NSN 5305-01-286-0861. 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.