NAS1204 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | 100° close tolerance bolt |
| Status | Check the current issue before design use. |
Dimensions by size
| Dimension, in | .2500-28 |
|---|---|
| Thread | .2500-28 |
Thread as stated for the standard. Head and shank dimensions are not shown here: take them from the standard.
Part numbers
Part numbers commonly stocked, with grip and length. The standard governs and may list others.
.2500-2819 part numbers
| Part no. | Grip, in | Length, in |
|---|---|---|
| NAS1204-1 | .062 | .378 |
| NAS1204-2 | .125 | .441 |
| NAS1204-3 | .188 | .504 |
| NAS1204-4 | .250 | .566 |
| NAS1204-5 | .312 | .628 |
| NAS1204-6 | .375 | .691 |
| NAS1204-7 | .438 | .754 |
| NAS1204-8 | .500 | .816 |
| NAS1204-9 | .562 | .878 |
| NAS1204-10 | .625 | .941 |
| NAS1204-11 | .688 | 1.004 |
| NAS1204-12 | .750 | 1.066 |
| NAS1204-13 | .812 | 1.128 |
| NAS1204-14 | .875 | 1.191 |
| NAS1204-15 | .938 | 1.254 |
| NAS1204-16 | 1.000 | 1.316 |
| NAS1204-17 | 1.062 | 1.378 |
| NAS1204-21 | 1.312 | 1.628 |
| NAS1204-22 | 1.375 | 1.691 |
Part number
What each code means
| Part | Meaning |
|---|---|
| Format | NAS1204-<dash> |
| Example | NAS1204-1 — 100° close tolerance bolt, .2500-28 thread, grip .062, length .378 |
Notes from the standard
- Part number format as commonly written; check the standard for the exact format.
- Approved data governs. Use the bolt the SRM, drawing or IPC calls for.
Where to buy
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Distributors coming soon.
Sources
- NAS1204 — Bolt, 100° Close Tolerance — nominal sizes and part numbers.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.