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rews
 
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AN525 : Mil-Spec Hardware

AN525 : Mil-Spec Hardware Specification
Screw, Washer Head

AN525 CAD DrawingClick on drawing for larger view

REQUIREMENTS:
1. MATERIAL: Steel spec AMS 6300 or MIL-S-6050 tensile strength 125,000 psi (min) .

2. FINISH: Steel cap plate SPEC QQ-P-416 Type II, Class 1 OR zinc plate

3. PART NUMBERS. Add “R” between first and second dash nos. for recessed head screws Add “D” before first dash number for A1 alloy screws, size 8 available with no thread only

Example of part no.:

  • ANS25-10-6 = 190-32 slotted head steel screw, 3/8 long with 1/32 crip
  • ANS25D10-6 = 190-32 slotted head A1 allow screw 3/8 long with 1/32 crip
  • ANS25-10R6 = 190-32 recessed head steel screw 3/8 long with 1/32 crip

4. BEARING SURFACE OF HEAD MUST BE FREE FROM BURRS AND TOOL MARKS

5. DIMENSIONS IN INCHES. Unless otherwise specified, tolerances, fractions +-1/64.

6. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR IDS OR REQUEST FOR PROPOSAL EXCEPT THAT REFERENCED ADOPTED INDUSTRY DOCUMENTS SHALL GIVE THE DATE OF THE ISSUE ADOPTED.

7. FOR DESIGN FEATURE PURPOSES. This standard takes precedence over procurement documents referenced herein.

Air Force – Navy Aeronautical Standard

Screw, Washer Head

Material: delete: “QQ-A-200/5” and substitute: “ASTM B221, B241, or B308”.

Custodians: Army – AV
  Navy – AS
  Air Force – 99

Need the Spec?

Click here to download AN525 Specification
(PDF Format).



Great Lakes Fasteners
2097 Case Parkway
North Twinsburg, Ohio 44087

Ohio: 330-425-4488
Nationwide: 800-589-4578
Fax: 330-425-4705

ISO 9001:2008 Certified

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Copyright Great Lakes Fasteners, Inc. 2008

Great Lakes Fasteners Fastener Supply specializes in a wide range of industrial and military specification (MIL Spec) fasteners; including MS fasteners, AN Fasteners, and NAS Fasteners.
 We work with the following manufacturers: Air Industries | Alcoa Fastening | All Power | Amatom | AMP-HEXSEAL | Anillo | Avdel | AVK/Avibank | Bollhoff Rivnut (BFGoodrich Rivnut)
California Screw | Camloc | Caplugs | Cherry | Cinch | Cresent Manufacturing | Deutch Fastener | Deutsch | Dzus Fasteners | Eagle | Emhart Technologies
 ESNA-SPS Fairchild (all lines) | FAIRCHILD CAMLOC/RAM | | FAIRCHILD ROSAN | FAIRCHILD TRIDAIR | Fastener Innovation | Heli-coil | Hi Shear | Huck | Huck
 ITW/Shakeproof | K-Fast | Kato | Kaynar | LFC Industries | Long-Lok | Maclean -ESNA | MACLEAN ESNA | Mairoll | Mecaero | Microdot | | Moeller Manufacturing
 Monadnock | N-D Industries | Nylok | Panduit Parker | PEM | PILGRIM SCREW | Pilgrim Screw | Protective Closures | RAF Electronics | RAM
 Republic Fastener | Rosan | Rosan | Saturn Fasteners | Screw-Corp | Seastrom Mfg | Simmonds | SNEP | Southco | SPS Technologies
Superior Washer | Technologies | Thomas & Betts | Three | V Fasteners | Tridair | Umpco | Useco | USM POP | Voi-Shan | Waldes Truarc/IRR